Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

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JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

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Packages

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Behavior

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Editor Settings

Code Indentation

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HTML

              
                <p>Giving half pixels also works! <b>But only for some browsers</b></p>
<b>40.5px in 45px:</b>
<div class="cont">
<div class="a"><div class="b"></div></div>
<div class="a"><div class="b"></div></div>
<div class="a"><div class="b"></div></div>
<div class="a"><div class="b"></div></div>
</div>
<div class="cont">
<div class="a"><div class="b"></div></div>
<div class="a"><div class="b"></div></div>
<div class="a"><div class="b"></div></div>
<div class="a"><div class="b"></div></div>
</div>
              
            
!

CSS

              
                .a
  align-items: center
  background-color: grey
  border-radius: 50%
  display: flex
  height: 45px
  justify-content: center
  width: 45px
  margin-left: 1.5px
.b
  background-color: lightgray
  border-radius: 50%
  height: 40px
  width: 40px

.cont
  margin-top: 1.5px
  display: flex
              
            
!

JS

              
                
              
            
!
999px

Console